“The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.”
Imagine drawing a box on a map and declaring that every person who was within that area during a given time is a suspect in a crime. That is the effect of a surveillance tool called a geofence warrant. In practice, a geofence warrant allows law enforcement agencies...
Judges across the U.S. are issuing search warrants that effectively authorize police to search broad geographical areas to determine who was near a given place at a given time. In practice, these warrants give police permission to use Google location data to engage in...
